Another term which has come up a lot in the build-up to the 2026 season is ‘compression ratio’. This is the ratio between the ...

You might have heard about high compression ratios, but what exactly are they, and what kind of effect do they have on an ...

Formula 1's governing body, the FIA, has announced a resolution to the sport's regulatory row over engine compression ratios, ...

Changes to compression ratio tests will be introduced in the summer after a lot of focus on Mercedes' new power unit over pre ...

In December, it emerged that Mercedes had found a possible loophole in the rules that could lead to a performance advantage.

Increasing an engine’s compression ratio is a proven way of unlocking extra horsepower, but there’s a point of diminishing returns. The team at Garage 54, the Russian mechanics who built a V16 using ...

A political firestorm has been brewing in Formula 1 in recent weeks and months over whether engine manufacturers have found a loophole in the new 2026 technical regulations. Mercedes and Red Bull may ...

A loophole, an e-vote and weeks of tension — but Coulthard says it was avoidable.

David Coulthard has criticised the FIA’s rule-making after claims that Mercedes exploited a 2026 compression ratio loophole ...

The FIA have confirmed that new rules will be in place to prevent compression ratios going above 16:1 effectively closing a ...

The compression ratio controversy will be addressed with a new test, but not until August.